baber/WOPTO huggingface dataset:
Patent JP-2003068135-A (JP)
Title: Recessed type luminaire for heat-insulating construction
Inventor: NAKAYAMA YOSHIO
IPC: F21Y103/00
Filed: 2001-08-27
Abstract: PROBLEM TO BE SOLVED: To effectively exhaust heat accumulated in a luminaire by installing an intake duct and an exhaust duct on the upper surface of the luminaire. SOLUTION: This recessed type luminaire for heat-insulating construction includes a luminaire body 2 housing a lamp 1 on its inside and having a lower face opened. The luminaire is provided with the intake duct 4a and the exhaust duct 4b detachable from the luminaire on the upper face of the luminaire by penetrating a heat insulation material 3 in the ceiling covering the upper face of the luminaire. The intake duct 4a and the exhaust duct 4b are composed by installing a fan 6 at each opening end thereof.
Patent JP-2003068212-A (JP)
Title: Plasma display panel
Inventor: ITOKAWA NAOKI
IPC: H01J11/22
Filed: 2001-08-28
Abstract: PROBLEM TO BE SOLVED: To provide a plasma display panel which is capable of obtaining superior contrast without making structures and processes complicate by improving the structure of an additional black matrix. SOLUTION: In this plasma display panel, a front substrate which has plural numbers of display electrodes extending to a direction and a rear panel which has plural numbers of address electrodes extending to the direction crossed with the direction of the display electrodes are set face to face in spaced relation to each other with a specified discharge space.  A barrier ribs with a specified pattern, which separates a matrix array of discharge cells being formed at crossing portions of the display electrodes and the address electrodes into at least one direction of lines or rows, is disposed on the rear substrate, and also the barrier rib pattern has non-discharge cavities at corresponding portions to non-discharge ranges between adjacent discharge cells, and a fluorescent layer is coated on discharge cell portions determined by the barrier rib pattern and also a black material layer is coated on the non-discharge cavity portions.
Patent JP-2003065339-A (JP)
Title: Rolling bearing
Inventor: OKITA SHIGERU
IPC: F16C33/36
Filed: 2001-08-29
Abstract: PROBLEM TO BE SOLVED: To provide a rolling bearing which suitably restrict the skew of roller and lengthens the useful life by reducing the maximum mutual difference ratio for the dimensional precision of rollers produced, especially for all rollers used, and the maximum roundness ratio for all rollers used. SOLUTION: The rolling bearing is equipped with an inner ring 2, an outer ring 1, a plurality of rollers 3 which are arranged between the inner ring 2 and the outer ring 1. For roller diameters for all rollers used, the maximum mutual difference ratio M which is defined by the following formula (1) is less than 1.0, and the maximum roundness ratio P which is defined by the following formula (2) is less than 0.3.
Patent JP-2002220981-A (JP)
Title: Daylight-indirect-guiding-type fixed blind
Inventor: FUJITA HISASHI
IPC: E06B9/386
Filed: 2001-09-03
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive, daylight-indirect-guiding-type fixed blind, by which direct sunlight, irrespective of its incident angle change, can be guided into by making the sunlight reflect upward mainly to an indoor ceiling. SOLUTION: Slats 4 forming the blind are arranged in parallel in a vertically extending row and are fixed, wherein each slat 4 has a maximum thickness part 6 in almost the middle of the indoor-to-outdoor direction width. Starting from the maximum thickness part 6, the thickness of both an indoor part 10 and an outdoor part 14 gradually decrease, widening the gap between the slats 4, 4 each located above and below, wherein both the upper face 10a and the lower face 10b of the indoor part 10 are inclined upward to the ceiling of the indoor 8, and the upper face 14a of the outdoor part 14 is extended almost horizontally.
Patent JP-2003071282-A (JP)
Title: Catalyst for manufacturing carbon monoxide and ethylene from carbon dioxide and ethane, and preparation method therefor
Inventor: YAMAGATA NOBUTSUGU
IPC: C01B32/40
Filed: 2001-09-05
Abstract: PROBLEM TO BE SOLVED: To obtain a chromium oxide catalyst improved in conversion characteristics and catalyst life in reaction for converting mixed gas of carbon dioxide and ethane to carbon monoxide and ethylene, and a preparation method therefor. SOLUTION: As for the chromium oxide catalyst used in the method for manufacturing carbon monoxide and ethylene from the mixed gas of carbon dioxide and ethane, M ions are dispersed in and added to the catalyst system so that an atomic ratio of M/Cr (wherein, M is Ba or Sr) becomes larger than 0.02 to obtain the catalyst capable of forming gas wherein a mixing ratio of carbone monoxide to ethylene is 1:1±0.02 from the mixed gas of which the mixing ratio of carbon dioxide to ethane is 1:1.
Patent JP-2003078843-A (JP)
Title: Video showing system and video multiplexer for the same
Inventor: TSUMURA TOSHIHIRO
IPC: G09G5/12
Filed: 2001-09-06
Abstract: PROBLEM TO BE SOLVED: To provide such a video showing system for enabling persons watching respectively different videos to simultaneously share space. SOLUTION: This video showing system 20 includes a multiplex cinema showing device 24 for displaying 26 a multiplexed video 28 obtained by multiplexing a plurality of videos on the basis of a prescribed timing signal on the basis of digitized video data 22, and glasses 40 having a shutter for controlling transmission and interruption of light so as to synchronize with a selected video among the plurality of videos and to make only light from the multiplexed video 28 transmit on the basis of the timing signal.
Patent JP-2003086046-A (JP)
Title: Pushbutton switch
Inventor: ODAJIMA MASAHIKO
IPC: H01H11/00
Filed: 2001-09-10
Abstract: PROBLEM TO BE SOLVED: To provide a pushbutton switch capable of surely preventing a frame part from coming off and dropping, by dissolving burring of a raised wall. SOLUTION: This pushbutton switch is provided with the frame body 2 having a button hole 2a in its upper part and a size larger flange part 2b than its outline, a pushbutton 3 provided so as to be able to move up and down in the frame part 2 with its head part 3a protruded from the button hole 2a, a housing 1 disposed under the frame part 2, on the upper surface of which a storage hole 1a and a raised wall 1b to surround the storage hole 1a are formed, and a switching element 4 disposed in the storage hole 1a to carry out switching operation of the switch by up and down movement of the pushbutton 3.  A mounting part 1d to mount the frame part 2 between the storage hole 1a and the raised wall 1b is provided in the housing 1, and the frame part 2 mounted on the mounting part 1d is supported by the housing 1 with the flange part 2b caulked by the raised wall 1b crushed toward the inside perimeter side, and an accepting part 2c where a part of the crushed raised wall 1b gets in is provided on the upper part of the flange part 2b.
Patent JP-2002184838-A (JP)
Title: Six-axis positioning system having non-magnetic field space
Inventor: KIRSCHSTEIN ULF-CARSTEN
IPC: G03F7/20
Filed: 2001-09-13
Abstract: PROBLEM TO BE SOLVED: To further expand a positioning thread so as to attain the high precision under a high vacuum as preposition conditions for accurate exposure and measuring of a fine structure. SOLUTION: A substrate positioning device contains a holding system 4 for receiving a substrate by sliding on a straight line guide for receiving a substrate; drive devices 1, 2 for changing to some degree an inclination in a guide direction in Y coordinates by orientating the guide direction of a straight line guide 3 in parallel to or intrinsically in parallel to the Y coordinate of an X, Y and Z space coordinates system; the drive devices 1, 2 for rotating the straight line guide 3 around the guide direction containing the holding system 4; and the drive devices 1, 2 for parallel-sliding the straight line guide 3 containing the holding system 4 in a direction of the X coordinate, in a direction of the Y coordinate and/or in a direction of the Z coordinate.
Patent JP-2003085908-A (JP)
Title: Support device for magnetic head
Inventor: NAKAYAMA SHIGEO
IPC: G11B21/21
Filed: 2001-09-14
Abstract: PROBLEM TO BE SOLVED: To provide a support device for a magnetic head which increases the fixation strength between a slider and a suspension with a simple structure. SOLUTION: The support device for the magnetic head which supports the slider (2) mounted with a magnetic head (4) in a free swinging state by the suspension has 1st and 2nd through holes (34, 36) formed on the sides of leaf springs (24, 26) and projection parts (10, 12) and recessed parts (14, 18) formed on the side of the slider (2), and also has resin (42) which is charged in the recessed parts and covers the surface parts of the leaf springs including the projection parts (10, 12) projecting on the leaf springs (24, 26) and the through hole (36) to fix the slider and leaf springs; and the mechanical coupling and coupling using the resin are both used together to increase the fixation strength between the slider and leaf springs.
Patent JP-2003082100-A (JP)
Title: Expanded polyimide and method for producing the same
Inventor: OZAWA HIDEO
IPC: C08G73/10
Filed: 2001-09-14
Abstract: PROBLEM TO BE SOLVED: To provide an expanded polyimide having high glass-transition temperature (Tg) and a controlled expansion rate. SOLUTION: This expandable polyimide comprises a polyimide having >=300 deg.C glass transition temperature and is obtained by compressing an expanded polyimide having >=20 expansion rate (corresponding to <=67.5 kg/m<3> density) so as to have 1.5-100 expansion rate (corresponding to 900-1.35 kg/m<3> density). And the sheet-like expanded polyimide comprising a polyimide having >=300 deg.C glass transition temperature and having 1.5-100 expansion rate (corresponding to 900-1.35 kg/m<3> density) and 0.1-50 mm thickness is provided.
Patent JP-2003090211-A (JP)
Title: Exhaust gas purifying method
Inventor: TOSHIOKA TOSHISUKE
IPC: F01N3/28
Filed: 2001-09-17
Abstract: PROBLEM TO BE SOLVED: To well purify exhaust gas by using a small capacity of NOx absorbent. SOLUTION: NOx absorbents NA1, NA2 are arranged in a pair of branch exhaust passages, respectively. The exhaust gas from an internal combustion engine is introduced into both NOx absorbents to cause NOx contained in the exhaust gas at this time to be absorbed by both NOx absorbents. When the NOx absorbing amount of one NOx absorbent exceeds an upper limit amount, exhaust gas from a combustion heater 30 is temporarily supplied to one NOx absorbent while temporarily shutting off the flow of the exhaust gas to one NOx absorbent, and the exhaust gas from the internal combustion engine is introduced into the other NOx absorbent to cause NOx contained in the exhaust gas at this time to be absorbed by the other NOx absorbent.  When the NOx absorbing amount of both NOx absorbents exceeds an upper limit amount, the exhaust gas from the internal combustion engine is introduced into both NOx absorbents and the air/fuel ratio of the exhaust gas from the internal combustion engine is temporarily changed from lean state to rich state.
Patent JP-2003090021-A (JP)
Title: Folding gabion
Inventor: SHIRAI TSUNEHIKO
IPC: E02B3/08
Filed: 2001-09-17
Abstract: PROBLEM TO BE SOLVED: To provide a compactly foldable gabion used for a river, a revetment of coastal work, a groin or the like by filling the inside with cobble stone, crushed stone or the like. SOLUTION: The flat parallelepipedic gabion consisting of an upper cover net panel with an upper plane, a bottom net panel with a bottom plane, a side net panel with right and left side sections and a horizontal cover net panel with a header section ahead and behind is so constituted that the upper cover net panel with the upper plane and the bottom net panel with the bottom plane of the gabion can be folded into two parts in parallel with the direction of a long side. The horizontal cover net panel with the header section of the gabion can be folded into two parts in parallel with the direction of a short side.
Patent JP-2003090757-A (JP)
Title: Harmonic structure signal analysis apparatus
Inventor: KATO MASAHIKO
IPC: G01R23/20
Filed: 2001-09-18
Abstract: PROBLEM TO BE SOLVED: To achieve a real-time analysis by analyzing a harmonic structure signal with a simple configuration. SOLUTION: The harmonic structure signal analysis apparatus is constituted by being provided with an input means 4 for fetching a signal to be analyzed, a reference signal detection means 5 for detecting the reference signal of a vibration source 12 that becomes the source of the signal to be analyzed, and a means 2 for measuring the frequency of a reference signal and at the same time extracting the order constituent of a frequency that is an integer multiple of the frequency of a reference signal from the signal to be analyzed. Only the order constituent of the frequency that is an integer multiple of the frequency of the reference signal of the vibration source 12 may be extracted, so that a means suited for real-time processing such as Karman filter and a band-pass filter can be adopted for extracting the order constituent, thus achieving an analysis in real time with a simple configuration.
Patent JP-2003100858-A (JP)
Title: Storage container for thin object
Inventor: YASUKAWA MASARU
IPC: H01L21/68
Filed: 2001-09-20
Abstract: PROBLEM TO BE SOLVED: To provide a storage container for a thin object which prevents large stress from being applied to wafers when it is dropped by mistake and thereby enables to protect the wafers. SOLUTION: The storage container for a thin object comprises a case 3 having a storage space 2 for storing at least one thin object 1, a removable cover 5 which is removably provided on the case so as to cover an opening section of the case 3, and a fixation section for fixing the thin object 1 stored in the case 3. The storage container for a thin object transports or stores the thin object 1, with the thin object 1 being kept in an extra-clean atmosphere in the storage space 2. In the storage container, a deforming section 11 which is deformed in a force applied direction and absorbs the force and a cushioning section 14 which is connected to the deforming section 11 to further absorb the force received by the deforming section 11 are inserted between the fixation section and the case 3 or between the fixation section and the removable cover 5.
Patent JP-2003095665-A (JP)
Title: Method of manufacturing synthetic quartz glass doped with fluorine
Inventor: YAMADA MOTOYUKI
IPC: C03B8/04
Filed: 2001-09-21
Abstract: PROBLEM TO BE SOLVED: To provide a method for effectively doping a deposited and grown silica soot with fluorine. SOLUTION: In a method for manufacturing synthetic quartz glass doped with fluorine by 2 processes, viz. firstly by continuously depositing fine silicon dioxide powder formed by an oxidation reaction of a silicon compound at a high temperature by an oxyhydrogen flame or a hydrolysis at a high temperature on a carrier and secondly by vitrifying the resulting deposit, where the atmosphere of the first process and/or the second process contains fluorine, the temperature at the surface on which fine silicon dioxide powder deposits in the first process is controlled to be 500-1,200 deg.C.
Patent JP-2002157164-A (JP)
Title: Data consistency memory management system and method and related multiprocessor network
Inventor: METAYER JEAN-JACQUES
IPC: G06F12/0837
Filed: 2001-09-21
Abstract: PROBLEM TO BE SOLVED: To provide a system for the memory management of data consistency capable of guaranteeing consistency between the cashe memory and the main memory of processors. SOLUTION: The system and method for the memory management of data consistency related to the main memory 4 accessible by at least two processors 1 and 2 includes an assembly for the management of the processors' shared access to the common area 9 of the main memory called an exchange area; copy modules 12 and 13 for copying data between the first processor associated with the cashe memory and the exchange area; and data transfer modules 12 and 13 for transferring data between the exchange area and the second processor. When the first processor outputs a request for the transfer of data between the first and second processors, a trigger means under control of the second processor triggers the copy modules and the transfer modules.
Patent JP-2003098218-A (JP)
Title: Semiconductor testing method
Inventor: IKEDA YUKITO
IPC: G01R31/26
Filed: 2001-09-21
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor testing method capable of securing reliability to rated voltage of a semiconductor without thermal runaway of the semiconductor in a reliability test where voltage is applied in the reverse direction of semiconductor having pn junction. SOLUTION: Pulse voltage is repeatedly superimposed on DC voltage below the rated voltage not causing thermal runaway of semiconductor so that the peak voltage is a rated value. The pulse voltage is set so that the time duration is shorter than the thermal response time of a package of semiconductor and further the repetitive application period is sufficiently longer than the thermal response time.
Patent JP-2003101188-A (JP)
Title: Method for forming via hole, flexible wiring board using the same, and production method therefor
Inventor: NISHIDA MIKIJI
IPC: B23K26/00
Filed: 2001-09-26
Abstract: PROBLEM TO BE SOLVED: To improve the reliability of a via hole by discovering a method reducing problems such as burrs, projections or smear sticking when forming the via hole by irradiating a flexible wiring board with an ultraviolet layer, to make narrow the pitch of the via hole, to reduce the diameter thereof, and to provide the flexible wiring board dealing with the request of fine patterning and high density arrangement while having such a high quality via hole. SOLUTION: When opening a conductor layer 1 on the flexible wiring board, the board is irradiated with the ultraviolet rays of high energy density. When opening an insulating layer 2, the board is irradiated with the ultraviolet rays of low energy density so that the problem can be reduced by reducing such excessive heat energy when forming the via hole. Because of both such a high quality via hole and fine high-accuracy working by using the ultraviolet layer, fine patterning and density improving of the flexible wiring board can be realized.
Patent JP-2003110797-A (JP)
Title: Scanner device
Inventor: TAKESHIMA SHOICHI
IPC: H05B41/282
Filed: 2001-09-27
Abstract: PROBLEM TO BE SOLVED: To solve a problem that a long waiting time is required for the light intensity of a lamp to be stabilized from starting lighting of the lamp, that the light intensity emitted from the lamp is influenced by ambient temperature so that variation is caused in scanning image quality, and that the voltage supplied to an inverter at scanning is always applied to the lamp since the power is applied so that the lamp life is short, in a conventional scanner device using a lamp as a light source. SOLUTION: A scanner device that uses a lamp as a light source is provided with a means for supplying at least two or more voltages to an inverter for driving the lamp, a means for supplying the voltage higher than that supplied to the inverter at scanning, at start of lighting of the lamp, a means for regulating voltage supplied to the inverter so that light intensity of the lamp becomes a specified scanning light intensity before starting scanning, and a means for decreasing the voltage supplied to the inverter during the idle state from end of scanning to start scanning.
Patent JP-2003105054-A (JP)
Title: Liquid sealing resin composition and semiconductor device
Inventor: KATSURAYAMA SATORU
IPC: H01L23/31
Filed: 2001-09-28
Abstract: PROBLEM TO BE SOLVED: To provide a liquid sealing resin composition which can keep the flux characteristics for bump connection highly active, accelerates the curing for sealing, and exhibits a high connection reliability and a high reliability of reflow resistance and thermal impact resistance. SOLUTION: This resin composition, capable of simultaneously bonding and sealing a flip chip package, gives a cured item of which the loss modulus behavior at 150 deg.C in the dynamic viscoelasticity measurement is 30 MPa or higher.
Patent JP-2002338322-A (JP)
Title: Coal ash concrete and compounding method thereof
Inventor: MATSUFUJI TAISUKE
IPC: C04B28/02
Filed: 2001-09-28
Abstract: PROBLEM TO BE SOLVED: To provide a coal ash concrete and a compounding method thereof which enables a large quantity and effective use of coal ash as concrete raw material. SOLUTION: The unit cement quantity and water/cement ratio is determined on the basis of target strength of the concrete and, thereafter, the quantity of coal ash and aggregate to be compounded for cement and water of unit cement quantity and unit water quantity is determined. Coal ash is compounded for the unit cement quantity with outer percentage and the compounding quantity of fine aggregate of the weight corresponding to the coal ash quantity is decreased. Freshness property, strength and neutralizing speed of the concrete is regulated by the compounding quantity of the coal ash.
Patent JP-2003103830-A (JP)
Title: Method of generating pixel clock, pixel clock generating apparatus, and image forming apparatus
Inventor: OMORI JUNJI
IPC: B41J2/44
Filed: 2001-09-28
Abstract: PROBLEM TO BE SOLVED: To provide a method of generating a pixel clock, a pixel clock generating apparatus, and an image forming apparatus wherein an amount of correction data is markedly reduced, cost reduction can be achieved by reduction of the memory size along with the reduction of the correction data, and moreover accurate correction of position shift of a dot can be executed. SOLUTION: This pixel clock generating apparatus comprises a data region setting means for setting a data region based on a data region set value for determining a number of clock signals in the data region consisting of a plurality of continuous clock signals and a phase shift data setting means for setting phase shift data for executing the phase shift by each data region set by the data region setting means.
Patent JP-2003107536-A (JP)
Title: Image display device
Inventor: MACHIDA YOSHINORI
IPC: G02F1/167
Filed: 2001-09-28
Abstract: PROBLEM TO BE SOLVED: To improve display quality by preventing the sharpness of display and display contrast from decreasing even when an image of high resolution is displayed. SOLUTION: An image display medium has a display substrate having a 1st electrode arranged on an image display surface side, a back substrate which faces the display substrate and has a 2nd electrode composed of a plurality of electrodes arrayed on the same plane at specific mutual intervals, and at least two kinds of particle groups with different colors and electrostatic charging characteristics which are sealed between the display substrate and the back substrate and can move between the 1st electrode and 2nd electrode with an electric field produced between the 1st and 2nd electrodes. Before a voltage applying means applies a display driving voltage for image display to the image display medium, a voltage is so applied between adjacent electrodes of the 2nd electrode as to produce an electric field allowing the particle groups to move.